Logan, IA -- U.S. city in Iowa Population (2000): 1545 Housing Units (2000): 660 Land area (2000): 1.014553 sq. miles (2.627681 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.014553 sq. miles (2.627681 sq. km) FIPS code: 46155 Located within: Iowa (IA), FIPS 19 Location: 41.644614 N, 95.789931 W ZIP Codes (1990): 51546 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Logan, IA Logan